Sanofi-aventis shares are listed on the Euronext-Paris and are also available on the New York Stock Exchange (NYSE) in the form of American Depositary Shares (ADS) under the symbol SNY. JPMorgan acts as a depositary of our ADSs and issues American Depositary Receipts (ADRs) for these shares entitling the shareholder to all dividends and capital gains.

Sanofi-aventis stock is traded under a sponsored level II ADR program on the NYSE, thereby offering a higher visibility in the U.S. market, more active trading and greater liquidity.